Sometimes original art works appear questionable or inauthentic because they've had so many restorers add touch-up layers to cover up damage, damage from the paint having deteriorated over time.

有时候艺术品真迹看起来是赝品，是因为很多修护人员添加了很多层保护膜，以覆盖油画上的损伤；而随着时间的推移，画作上损坏的地方已经恶化了。

youdao

youdao

She draped a cover over the old sofa.

她把套子罩在旧沙发上。

《牛津词典》

In nineteen fifty-six, he traveled to the Middle East to cover the war over the Suez Canal.

VOA: special.2009.11.01

Moving a stack of size 3, again, if I want to go over there, I need to make sure I can put the spare one over here before I move the bottom one, I can't cover up any of the smaller ones with the larger one, but I can get it there.

移动上面的三个圆盘的话，我在移动最底下的圆盘之前，同样要确保剩下的,是在另外一个柱子上，因为我不能把大的圆盘,放在小的上面。

麻省理工公开课 - 计算机科学及编程导论课程节选

This is a cover of the first edition that you can go over to Beinecke and see.

这儿有第一版的封面,你们可以去拜内克看看。

耶鲁公开课 - 现代诗歌课程节选

There would, however, be no let-up for England and Yuvraj hit Broad for a flat six over cover-point and pulled the next ball for four.

BBC: Dismal England thrashed by India

This weapon also blends in with the new cover system, where players are able to reach over cover, and around cover, and perform brutal finishing moves.

FORBES: BioWare Continues To Push Role-Playing Games And Unreal Engine 3 With Mass Effect 3T

It was not long before Tendulkar took the lead again, however, blasting Afridi over cover, backward of and in front of point for three boundaries in as many balls.

BBC: Sachin Tendulkar is bowled off an inside edge